JPH069268Y2 - Lock device for automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a vehicle lock device used for a back door of an automobile or the like.

(Prior Art) Conventionally, a locking device used for a back door of an automobile is
When the outer handle is operated and the engagement between the latch and the striker is released, the back door opens slightly and the striker escapes from the latch so that the lift means exerts a lifting force.

As this lift means, for example, a lift lever is used which is pivotally attached to the base of the striker, has its base end side locked by the tension coil spring, and has its free end contacting the back door.

(Problems to be Solved by the Invention) The above-described structure has a problem in that the size of the entire striker becomes large and the door cannot be pushed back when the door is closed.

(Means for Solving Problems) The present invention comprises a striker provided on either the vehicle body side or the door side, and a lock body provided on the other side and provided with a latch plate that meshes with the striker. In a vehicle lock device, the lock body is provided with a sliding body that can slide in the striker's entering direction, and the sliding body is provided with a groove hole that expands in the direction opposite to the striker's entering direction, A second arm that extends from the lift lever that is linked to the slide body and that extends from the lift lever that is pivotally attached to the lock body, and that extends from the lift lever at an appropriate angle with respect to the first arm portion. The above-mentioned problem is solved by providing a spring for urging the sliding body in a direction opposite to the direction in which the striker enters between the arm portion and the lock body.

(Operation) When the door is closed, the striker engages with the slot hole of the sliding body that expands in the direction opposite to the striker's entering direction, and while pushing the sliding body, it enters into the latch plate and meshes with the striker. Prevent rattling between lock bodies, that is, rattling of the door.

When the latch plate is unlocked by the operation of the outer handle, a force in the direction in which the sliding body pushes out the striker is generated by the urging force of the lift lever, so that a lift force acts on the door and the door is slightly opened.

(Embodiment) Hereinafter, the present invention will be described in detail based on an embodiment shown in the drawings.

(1) is a lock body attached to the back door side of the car, (2) is its base plate, and the base plate (2)
The recess (2a) formed in the center of the vehicle is provided with a guide groove (4) into which the striker (3) fixed to the vehicle body enters.

As shown in FIG. 3, vertical shafts (5) and (6) are erected on the base plate (2) on both the left and right sides of the guide groove (4), and the shaft (5) has a latch plate (7). ) And the locking plate (8) is pivotally attached to the shaft (6).

Reference numeral (9) is a plane L-shaped lift lever, and a projection piece (9a) facing upward is continuously provided at the tip of one arm portion (second arm portion) of the lift lever and the other arm portion (second arm portion). A long hole (10) oriented in the longitudinal direction is formed at the tip (9b) of the first arm (1).

An intermediate portion of the lift lever (9) is pivotally mounted on the shaft (5) so as to be rotatable relative to the latch plate (7).

(11) is a box-shaped main body (11a) whose front and back surfaces are open
And the left and right horizontal strips connected to the opening edge of this body (11a).
A cover plate consisting of (11b) and (11c)
The holes (12) and (13) formed in (11b) and (11c) are
(5) Fitted on the upper end of (6).

(14) is a torsion spring, the central portion of which is fitted and inserted into a projecting piece (11d) that is continuous with the horizontal piece (11b), and one leg piece (14a) has a hole (7) in the latch plate (7). 7a), and the other leg piece (14b) is hooked on the main body (11a) of the base plate (11) to urge the latch plate (7) clockwise in FIG.

(15) is a torsion spring, the central part of which is fitted and inserted into a protruding piece (11e) connected to a horizontal piece (11c), and one leg piece (15a) is a protruding piece.
(11f) and the other leg piece (15b) is hooked on the projecting piece (8a) on the base end side of the locking plate (8), respectively, so that the locking plate (8) is rotated counterclockwise in FIG. Is urged to.

Next, the lift means for lifting the back door will be described.

(16) is a biasing means, that is, a tension coil spring, one leg piece (16a) of which is a protrusion (9a) of the lift lever (9),
The other leg piece (16b) is hooked on a rear piece (11g) hanging from the rear edge of the main body (11a) of the cover plate (11).

A shaft (17) in the front-rear direction is provided through the rear piece (11g) and the front piece (11h) connected to the side front edge of the main body (11a).

(18) is a slide body integrally molded from a hard synthetic resin material, and the front surface of the main body (18a) having a substantially rectangular column shape has an engaging portion, for example, a semi-elliptical front shape and A triangular groove hole (19) narrowed is cut, and a vertical hole (20) having an expanded opening is provided at the center of the upper surface so as to communicate with the groove hole (19). A buffer material (21) made of an elastic material such as rubber and having a collar portion (21a) is fitted into the vertical hole (20). The cushioning material (21) may be integrally formed with the impulse material (18).

As shown in FIG. 6, the main body (18a) is slidably attached to the shaft (17) with a horizontal hole (22) penetrating in the front-rear direction, and as shown in FIG. ), The columnar foot (18b) hanging from the rear of the lower surface of the
It is slidably inserted in the long hole (10) of (9).

As shown in FIG. 4, the lock body (1) has a back door (2
A rod (26) attached to the underside of (3) facing the striker (3) of the vehicle body (24) and connected to the outer handle (25).
The lower end of the is linked to the locking plate (8) via a link lever (27).

Next, the operation of the above lock device will be described.

As shown in FIG. 4, when the back door (23) is closed, the striker (3) is locked by the lock body as shown in FIGS. 5 and 6.
When it enters the guide groove (4) of (1) and presses the sliding body (18) through the cushioning material (21), it lifts the lift lever through the foot (18b).
(9) is a tension coil spring that rotates counterclockwise in FIG.
(16) is stretched against the biasing force.

When the latch plate (7) meshes with the striker (3) at its two-pronged portion and rotates counterclockwise in FIG. 6 by a predetermined angle to reach the full latch position, the latch of the locking plate (8) causes Plate (7) locked, striker (3)
Becomes immovable and the back door (23) is locked.

When the outer handle (25) is pulled up, the locking plate (8) rotates clockwise in FIG. 6 via the rod (26) and the link lever (27) to engage with the latch plate (7). Since it is released, the latch plate (7) is rotated clockwise by the urging force of the torsion spring (14), and the striker (3) is rotated.
Open up.

When the striker (3) is released, the tension coil spring (16)
By the urging force of the lift lever (9), the lift lever (9) rotates clockwise in FIG. 6 and pushes the sliding body (18) in the direction opposite to the entering direction of the striker (3). That is, since the striker (3) is stationary, the back door (23) is moved in the opposite direction, and the sliding body (18) comes into contact with the front plate (11h) of the cover plate (11), that is, FIG. The back door (23) is opened only by the stroke (S) indicated by.

(Modification) In the above-described embodiment, the sliding body is fitted into the shaft so as to be slidable back and forth, but the shaft may be omitted and the sliding body may be moved in the groove of the cover plate. .

Although the sliding body is linked to the lift lever via the hanging foot portion, the sliding body may be directly pushed by the free end portion of the lift lever.

(Effects of the Invention) According to the present invention, the following effects can be achieved.

(a) The lift means, which is conventionally provided separately from the lock body, can be compactly incorporated into the lock body.

That is, the first of the lift levers pivotally attached to the lock body
By rotating the arm of the slider, the sliding body is moved in the push-out direction of the striker, and a spring is provided between the second arm of the lift lever and the lock body, so that the spring is arranged in the sliding body. It is not limited only to the moving direction and can be arranged, for example, in a direction orthogonal to the moving direction, and by appropriately setting the lengths of the first arm portion and the second arm portion of the lift lever, The ratio of the amount of movement of the sliding body to the amount of expansion and contraction can be made different from 1, and the sliding body can be moved largely by a small spring, which enables a compact design.

(b) By providing the sliding body with a groove hole that expands in the direction opposite to the direction in which the striker enters, the striker engages with the groove hole when the door is closed. It is possible to prevent rattling on both sides of the lock body and striker, and by pressing the inclined surface formed on one side of the conventional wedge-shaped sliding body to one side of the striker, one side of the striker It is possible to obtain a rattling prevention effect and a noise prevention effect, which are superior to those of the conventional so-called wedge bumper which is designed to prevent rattling.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 is an exploded perspective view showing only an essential part of FIG. 1, and FIG. 3 shows a lifted state of FIG. Fig. 4 is a schematic cross-sectional view of the lock device attached to the back door, Fig. 5 is an enlarged cross-sectional view of the main part of Fig. 4, and Fig. 6 is VI of Fig. 5. FIG. 6 is a cross-sectional view taken along the line VI. (1) Lock body, (2) Base plate (3) Striker, (7) Latch plate (8) Locking plate, (9) Lift lever (16) Tension coil spring (biasing means) (18) Sliding body, (19 ) Groove (engagement part) (23) Back door

Claims (1)

[Scope of utility model registration request] 1. A lock device for an automobile, comprising: a striker provided on one of a vehicle body side and a door side; and a lock body provided on the other side and provided with a latch plate that meshes with the striker. In, provided with a sliding body that can slide in the striker's entering direction, the sliding body is provided with a groove hole that expands in the direction opposite to the striker's entering direction,
A second arm that extends from the lift lever that is linked to the slide body and that extends from the lift lever that is pivotally attached to the lock body, and that extends from the lift lever at an appropriate angle with respect to the first arm portion. A locking device for an automobile, characterized in that a spring for urging the sliding body in a direction opposite to a direction in which the striker enters is provided between the arm portion and the lock body.